Dremel EZ409 1-1/2-Inch EZ Lock Thin Cut Comprehensive offering for general purpose to specialized high performance applications Consistent performance from wheel to wheel through superior manufacturing processes Tested for balance This product is made of high quality material The Dremel EZ Lock makes accessory changes easy as pull - twist - release The one-piece mandrel design simplifies makes it easy to cut through metal Make thin-kerf cuts without compromising strength Reinforcement prevents breakage Easy to assemble